对划线部分提问 Behind the door there's a book -------- ---------the
对划线部分提问 Behind the door there's a book -------- ---------the book?
对划线部分提问(
Behind the door ) there's a book
-------- ---------the book?
对划线部分提问(
Behind the door ) there's a book
-------- ---------the book?
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